Using the Circle Technique. 1  1. Place the shoes on a flat surface. 2  2. Tie a basic knot. 3  3. Tie another knot, but donât tighten it.  4. Thread one shoelace into the 1  circle. 5. Thread the other shoelace into the circle.  6. Pull the bunny ears tight.
The caffeine in coffee can also contribute to stomach pain through several different means. Caffeine stimulates the central nervous system, which can cause the stomach to produce excess stomach acid. This excess stomach acid can contribute to gastritis or ulcer formation.
It is important to understand that green coffee contains caffeine, similar to regular coffee. Therefore, green coffee can cause caffeine-related side effects similar to coffee. Caffeine can cause insomnia, nervousness and restlessness, stomach upset, nausea and vomiting, increased heart and breathing rate, and other side effects.